8426280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 27371520

約数和(自身を除く): 18945240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 71, 86, 92, 115, 120, 129, 138, 142, 172, 184, 213, 215, 230, 258, 276, 284, 344, 345, 355, 426, 430, 460, 516, 552, 568, 645, 690, 710, 852, 860, 920, 989, 1032, 1065, 1290, 1380, 1420, 1633, 1704, 1720, 1978, 2130, 2580, 2760, 2840, 2967, 3053, 3266, 3956, 4260, 4899, 4945, 5160, 5934, 6106, 6532, 7912, 8165, 8520, 9159, 9798, 9890, 11868, 12212, 13064, 14835, 15265, 16330, 18318, 19596, 19780, 23736, 24424, 24495, 29670, 30530, 32660, 36636, 39192, 39560, 45795, 48990, 59340, 61060, 65320, 70219, 73272, 91590, 97980, 118680, 122120, 140438, 183180, 195960, 210657, 280876, 351095, 366360, 421314, 561752, 702190, 842628, 1053285, 1404380, 1685256, 2106570, 2808760, 4213140, 8426280]

約数ペア:

[(1, 8426280), (2, 4213140), (3, 2808760), (4, 2106570), (5, 1685256), (6, 1404380), (8, 1053285), (10, 842628), (12, 702190), (15, 561752), (20, 421314), (23, 366360), (24, 351095), (30, 280876), (40, 210657), (43, 195960), (46, 183180), (60, 140438), (69, 122120), (71, 118680), (86, 97980), (92, 91590), (115, 73272), (120, 70219), (129, 65320), (138, 61060), (142, 59340), (172, 48990), (184, 45795), (213, 39560), (215, 39192), (230, 36636), (258, 32660), (276, 30530), (284, 29670), (344, 24495), (345, 24424), (355, 23736), (426, 19780), (430, 19596), (460, 18318), (516, 16330), (552, 15265), (568, 14835), (645, 13064), (690, 12212), (710, 11868), (852, 9890), (860, 9798), (920, 9159), (989, 8520), (1032, 8165), (1065, 7912), (1290, 6532), (1380, 6106), (1420, 5934), (1633, 5160), (1704, 4945), (1720, 4899), (1978, 4260), (2130, 3956), (2580, 3266), (2760, 3053), (2840, 2967)]